She said that her life seemed aimless after her children left home.

　　她說她的孩子們離開家后，她的生活好像沒有了目標。

　　Translation activities should be social demand oriented to avoid being aimless.

　　翻譯教學應該以社會需求為導向，這樣才不會無的放矢。

　　Therefore aimless searching is avoided and the algorithm is optimized.

　　從而避免了盲目搜索，優化了算法。

　　The young man is leading an aimless life, drinking all the day.

　　這位年輕人過著沒有目標的生活，整天醉生夢死。

　　But at present, the civil servant training is aimless and has low quality.

　　但是目前公務員培訓的針對性不強，培訓的質量不高。